DENTITION IN MAMMALS

Written by Sunday, 02 July 2017 18:10
Teeth are the dermal derivatives of integument They are developed as a result of calcification in the mucous membrane of the 1 cavity. Along with the ridge of the two…

CHARACTERS OF MAMMALIAN DENTITION

Written by Sunday, 02 July 2017 17:05
The mammalian teeth are placed in the muscular sockets in the jaw bones. This type of dentition is called Thecodont. The teeth are ‘diphyodont’. Two sets of teeth develop during…

DENTAL FORMULA IN MAMMALS

Written by Sunday, 02 July 2017 16:37
Mostly the number of teeth is fixed in each mammalian species. Mammalian heterodont dentition is expressed by a ‘dental formula’. The number and arrangement of teeth in each half of…

SKIN OF MAMMALS (RABBIT)

Written by Sunday, 02 July 2017 15:39
SKIN STRUCTURE AND FUNCTIONS IN MAMMALS The body of Rabbit is covered by skin. It shows two layers,   Epidermis Dermis   Associated with skin are hair, claw and glands.…

STERNUM OF RABBIT

Written by Sunday, 02 July 2017 15:31
In the mid ventral region of thorax of Rabbit sternum is present. It is made by five bony pieces called "Sternabrae". It is called "mesosternum". This will show "presternum" anteriorly.…

ORGAN OF CORTI OR COCHLEA

Written by Sunday, 02 July 2017 08:08
The internal ear of rabbit includes "organ of corti" or Cochlea spirally coiled. Lagena is enclosed and fused with the spirally coiled j the preotic bone which form cochlea. Cochlea…

CLASSIFICATION OF MAMMALS: THERIA

Written by Sunday, 02 July 2017 01:19
THERIA   This group includes Mammals which show true mammals characters Infraclass Metatheria:   They show almost all the Mammalian characters.   Females show brood pouch or Marsupium on their…

CLASSIFICATION OF MAMMALS: PROTOTHERIA

Written by Sunday, 02 July 2017 01:06
Mammalia is divided into two subclasses. 1) Prototheria 2) Theria   GENERAL CHARECTERS OF PROTHERIA   External pinnae are absent. In the young stage teeth are present and in the…

GENERAL CHARECTERS OF MAMMALS

Written by Saturday, 01 July 2017 23:57
Mammal like Reptiles therapsida might have given Mammals. It occured at the end of Triassic period of Mesozoic era. In Jurassic period only few mammals existed. In the coenozoic era…

PECTEN IN BIRDS

Written by Saturday, 01 July 2017 23:45
In the eye of the bird a comb like structure is present. It is called pecten. It is soft and vascular. It is a rectangular plate. It projects into the…
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CHOLERA: CAUSES, SYMPTOMS, DIAGNOSIS AND TREATMENT

CHOLERA: CAUSES, SYMPTOMS, DIAGNOSIS AND TREATMENT

CHOLERA is a specific infectious disease that affects the lower portion of the intestine and is char...

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